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SubjectRe: [PATCH] x86: Optimize variable_test_bit()
On Fri, May 01, 2015 at 03:02:24PM -0400, Vladimir Makarov wrote:
> Currently LRA is used by x86/x86-64, ARM, AARCH64, s390, and MIPS.
> PPC, SH, and ARC are moving to LRA. All other targets are still
> reload based.
>
> So I could implement the output reloads in LRA, probably for the
> next GCC release. How to enable and mostly use it for multi-target
> code like the kernel is another question.

Pretty much all inline asm is in per arch code; so one arch having
different asm features than another should not be a problem at all.


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